The weight of a solid gold crown would be much heavier than one if not made of solid gold. It would also not tarnish as quickly as one of other metals.
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Answer:
5.559*10^(23) atoms
Explanation:
Molar Mass of Al(OH)3 = 78 g/mol
(72g/78g/mol)*(6.022*10^(23)atoms/mol) = 5.559*10^(23) atoms in 72 grams of Al(OH)3
<span> A </span>catalyst<span> will </span>appear<span> in the steps of a </span>reaction<span> mechanism, but it will not </span>appear<span> in the overall </span><span>chemical reaction</span>
<span>it must be a compound of a polyatomic cation (i think ammonium might be the only</span>
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